Protists

  • General Characteristics
      * Classification criteria
        * Eukaryotes
        * Not animal, plant, or fungi
  • Protist Diversity
      * Full spectrum of modes of life
        * For unicellular to multicellular
        * Autotrophic to heterotrophic
        * Asexual to sexual reproduction
        * Pathogenic to beneficial
        * Sessile to mobile
      * Animal-like Protists
        * Heterotrophs / predators
          * Amoeba
          * Paramecium
          * Stentor
      * Plant-like Protists
        * Autotrophs / photosynthesis
          * Euglena
          * Algae
          * Diatoms
      * Parasitic and Pathogenic Protists
        * Malaria
        * Giardia
        * Trypanosomes
      * Beneficial and Necessary Protists
        * Small algae and diatoms
          * Much of the world’s photosynthesis
          * Produces around 90% of the atmospheric oxygen
        * Heterotrophic protists and animals
          * Key ecological role at the base of the marine food web
  • Mobility
      * How Protists move
        * Flagellum
        * Cilia
        * Pseudopod